Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun collaborator

3 senses of collaborator

Sense 1
confederate, collaborator, henchman, partner in crime -- (someone who assists in a plot)
       => accessory, accessary -- (someone who helps another person commit a crime)

Sense 2
collaborator, collaborationist, quisling -- (someone who collaborates with an enemy occupying force)
       => traitor, treasonist -- (someone who betrays his country by committing treason)

Sense 3
collaborator, cooperator, partner, pardner -- (an associate in an activity or endeavor or sphere of common interest; "the musician and the librettist were collaborators"; "sexual partners")
       => associate -- (a person who joins with others in some activity or endeavor; "he had to consult his associate before continuing")